Bank Quotations Bid Ask

Deutsche Bank $$:$ $$1\mathrm{.}9712$ $$1\mathrm{.}9717$

Credit Lyonnais $$:$ $$1\mathrm{.}4738$ $$1\mathrm{.}4742$

Credit Agricole $$:$1\mathrm{.}33101\mathrm{.}3317$

a$.$ Given the above market quotations, is there an arbitrage opportunity? Justify.

b$.$ If you are given $$1,000,000,$ how much profit can you make? Show your steps.

c$.$ If you are given $1,000,000,$ how much profit can you make? Show your steps.